Home / 19,414-26,764.20-16,417.84

Finding the Fourth Proportional to 19,414, 26,764.20 and 16,417.84

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Solution

The fourth proportional to 19,414, 26,764.20 and 16,417.84 is: 22,633.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,414 : 26,764.20 = 16,417.84 : x
  2. Step 2: Convert to fraction form
    19,414/26,764.20 = 16,417.84/x
  3. Step 3: Cross multiply
    19,414x = 26,764.20 × 16,417.84
  4. Step 4: Simplify right side
    19,414x = 439,410,353.33
  5. Step 5: Solve for x
    x = 439,410,353.33/19,414
  6. Step 6: Final answer
    x = 22,633.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.